<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jstl/core"%>
<%String path=request.getContextPath(); 
 String aaa=(String)request.getAttribute("aaa");
%>
<!DOCTYPE html >
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
<c:out value="${aaa}"></c:out>
</body>
</html>